-90+5x+3x=54

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Solution for -90+5x+3x=54 equation: 


Simplifying
-90 + 5x + 3x = 54

Combine like terms: 5x + 3x = 8x
-90 + 8x = 54

Solving
-90 + 8x = 54

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '90' to each side of the equation.
-90 + 90 + 8x = 54 + 90

Combine like terms: -90 + 90 = 0
0 + 8x = 54 + 90
8x = 54 + 90

Combine like terms: 54 + 90 = 144
8x = 144

Divide each side by '8'.
x = 18

Simplifying
x = 18

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